1 dnl Process this file with autoconf to produce a configure script
3 dnl Need autoconf 2.50 or later for AC_ARG_VAR. 2.59 has been around for
4 dnl long enough, that we might as well just require that.
6 AC_INIT([survex], [1.4.5], [https://trac.survex.com/])
7 AM_INIT_AUTOMAKE([1.5 gnu -Wall -Wportability -Werror])
11 AC_CONFIG_HEADERS([config.h])
12 AC_CONFIG_SRCDIR([src/aven.cc])
14 COPYRIGHT_MSG="Copyright (C) 1990-2023 Olly Betts"
15 AVEN_COPYRIGHT_MSG="Copyright (C) 1999-2003,2005,2006 Mark R. Shinwell"
17 AC_DEFINE_UNQUOTED(COPYRIGHT_MSG, ["$COPYRIGHT_MSG"], [Copyright Message])
18 AC_DEFINE_UNQUOTED(AVEN_COPYRIGHT_MSG, ["$AVEN_COPYRIGHT_MSG"],
19 [Copyright Message for Aven])
21 AC_SUBST(COPYRIGHT_MSG)
22 AC_SUBST(AVEN_COPYRIGHT_MSG)
24 COPYRIGHT_MSG_UTF8=`echo "$COPYRIGHT_MSG"|sed 's/(C)/©/'`
25 AVEN_COPYRIGHT_MSG_UTF8=`echo "$AVEN_COPYRIGHT_MSG"|sed 's/(C)/©/'`
27 AC_DEFINE_UNQUOTED(COPYRIGHT_MSG_UTF8, ["$COPYRIGHT_MSG_UTF8"],
28 [Copyright Message in UTF-8])
29 AC_DEFINE_UNQUOTED(AVEN_COPYRIGHT_MSG_UTF8, ["$AVEN_COPYRIGHT_MSG_UTF8"],
30 [Copyright Message for Aven in UTF-8])
32 dnl set PRETTYPACKAGE to PACKAGE with the first character capitalised
33 PRETTYPACKAGE=`echo "$PACKAGE"|cut -b1|tr a-z A-Z``echo "$PACKAGE"|cut -b2-`
34 AC_DEFINE_UNQUOTED(PRETTYPACKAGE, "$PRETTYPACKAGE",
35 [Name of package (capitalised)])
36 AC_SUBST(PRETTYPACKAGE)
38 dnl set COMMAVERSION to VERSION with the dots replaced by commas -
39 dnl e.g. "0,99" or "1,0,22"
40 COMMAVERSION=`echo "$VERSION"|tr '.' ','`
41 AC_DEFINE_UNQUOTED(COMMAVERSION, $COMMAVERSION,
42 [Version number of package (comma-separated)])
43 AC_SUBST(COMMAVERSION)
45 PKGDOCDIR='${prefix}/share/doc/${PACKAGE}'
47 [ --enable-docdir=DIR Set directory for installing documentation to DIR],
50 AC_MSG_ERROR([configure: Syntax: configure --enable-docdir=DIR]) ;;
52 PKGDOCDIR="$enableval"
56 test NONE = "$prefix" && prefix="$ac_default_prefix"
57 test NONE = "$exec_prefix" && exec_prefix="$prefix"
58 eval echo "$PKGDOCDIR"
61 AC_SUBST(PKGDOCDIR_EXPANDED)
65 dnl Checks for programs.
72 dnl Probe for any options needed to enable C++11 support.
73 AX_CXX_COMPILE_STDCXX_11
88 *mingw*|*cygwin*|windows*) mswindows=yes ;;
93 AC_ARG_VAR(STRIP, [Command for discarding symbols from object files])
94 AC_PATH_TOOL(STRIP, strip, [echo "not stripping "])
100 dnl The wxWidgets libraries we need:
101 wx_libs="core,gl,html"
103 AC_ARG_VAR(WXCONFIG, [Old name for WX_CONFIG, accepted for compatibility])
104 AC_ARG_VAR(WX_CONFIG, [wxWidgets configuration script to use to build Aven])
105 : ${WX_CONFIG="$WXCONFIG"}
107 AM_CONDITIONAL(WIN32, [test yes = "$mswindows"])
108 AM_CONDITIONAL(MACOS, [test yes = "$macos"])
110 if test -n "$WX_CONFIG" ; then
111 dnl WX_CONFIG specified - sanity check the value
112 dnl don't check for --ldflags - older wx-config didn't do that
113 if (exec >&5 2>&5;$WX_CONFIG --libs --cflags --cxxflags "$wx_libs";exit $?) then
116 AC_MSG_ERROR(['$WX_CONFIG --libs --cflags --cxxflags "$wx_libs"' does not work, bailing out])
119 if test yes = "$macos" ; then
121 elif test yes = "$mswindows" ; then
126 dnl See if wx-config exists and is for the correct version.
127 dnl Fedora install wx3's wx-config as wx-config-3.0, so look for that in
129 dnl Arch Linux uses wx-config-gtk3.
130 AC_PATH_PROGS(WX_CONFIG, [wx-config-3.0 wx-config-gtk3 wx-config])
131 if test -n "$WX_CONFIG" ; then
132 if (exec >&5 2>&5;$WX_CONFIG --cflags "$wx_libs"|grep -e -D"$wxdef";exit $?) then
135 AC_MSG_ERROR([wxWidgets not for the right toolkit. Run ./configure WX_CONFIG=/path/to/wx-config])
138 AC_MSG_ERROR([wxWidgets not found. Run ./configure WX_CONFIG=/path/to/wx-config])
142 dnl Unless the user has explicitly specified a --unicode setting, prefer
143 dnl --unicode=yes if we can get it.
147 if (exec >&5 2>&5;$WX_CONFIG --unicode=yes --version "$wx_libs";exit $?) ; then
148 WX_CONFIG="$WX_CONFIG --unicode=yes"
149 elif (exec >&5 2>&5;$WX_CONFIG --unicode=no --version "$wx_libs";exit $?) ; then
150 WX_CONFIG="$WX_CONFIG --unicode=no"
154 WX_LIBS=`$WX_CONFIG --libs "$wx_libs"`
155 dnl Needed for nvidia drivers on linux (for some setups anyway).
156 AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, [WX_LIBS="$WX_LIBS -lXxf86vm"], [], [$WX_LIBS])
157 dnl We use functions from libGLU so always link -lGLU explicitly if it's
159 AC_CHECK_LIB([GLU], [gluProject], [WX_LIBS="$WX_LIBS -lGLU"], [], [$WX_LIBS])
160 dnl We use functions from libGL so always link -lGL explicitly if it's
162 AC_CHECK_LIB([GL], [glPushMatrix], [WX_LIBS="$WX_LIBS -lGL"], [], [$WX_LIBS])
164 dnl macOS has OpenGL/gl.h.
165 AC_CHECK_HEADERS([GL/gl.h OpenGL/gl.h], [], [], [ ])
166 dnl The Debian mingw-w64 packages lack GL/glext.h; macOS has OpenGL/glext.h.
167 AC_CHECK_HEADERS([GL/glext.h OpenGL/glext.h], [], [], [#include <GL/gl.h>])
169 WX_CFLAGS=`$WX_CONFIG --cflags "$wx_libs"`
171 WX_CXXFLAGS=`$WX_CONFIG --cxxflags "$wx_libs"`
172 AC_SUBST(WX_CXXFLAGS)
176 CFLAGS="$CFLAGS $WX_CFLAGS"
177 AC_CHECK_SIZEOF([wxChar], [], [
179 #include <wx/chartype.h>
183 dnl Check for libav (FIXME: does our code still work with ffmpeg?)
184 PKG_CHECK_MODULES([LIBAV], [libavcodec libavformat libswscale libavutil], [
185 AC_DEFINE([WITH_LIBAV], [1], [Use libav for movie export])
186 save_CXXFLAGS=$CXXFLAGS
188 CFLAGS="$CFLAGS $LIBAV_CFLAGS"
189 LIBS="$LIBS $LIBAV_LIBS"
190 AC_CHECK_FUNCS([av_guess_format avio_open avio_close avformat_write_header avcodec_encode_video2 avcodec_free_frame avcodec_open2 avformat_new_stream av_frame_alloc av_frame_free])
191 AC_CHECK_DECLS([AVMEDIA_TYPE_VIDEO], [], [], [#include <libavcodec/avcodec.h>])
192 AC_CHECK_DECLS([AV_CODEC_ID_NONE], [], [], [#include <libavcodec/avcodec.h>])
193 AC_CHECK_DECLS([AV_PIX_FMT_RGB24], [], [], [#include <libavutil/pixfmt.h>])
194 AC_CHECK_DECLS([AV_PIX_FMT_YUV420P], [], [], [#include <libavutil/pixfmt.h>])
195 CXXFLAGS=$save_CXXFLAGS
198 dnl Build without movie export feature.
200 AC_SUBST([LIBAV_LIBS])
201 AC_SUBST([LIBAV_CFLAGS])
204 PKG_CHECK_MODULES([PROJ], [proj >= 6.2.0], [
206 dnl pkg-config support in proj seems quite new, so probe directly if not
207 dnl found. We need proj_create_crs_to_crs_from_pj() which was added in
209 AC_CHECK_LIB([proj], [proj_create_crs_to_crs_from_pj], [
213 AC_MSG_ERROR([PROJ required for coordinate transformations])
216 AC_SUBST([PROJ_LIBS])
217 AC_SUBST([PROJ_CFLAGS])
219 dnl Checks for header files.
221 dnl don't use AC_CHECK_FUNCS for setjmp - mingw #define-s it to _setjmp
222 AC_CHECK_HEADERS(limits.h string.h setjmp.h sys/select.h)
224 dnl Checks for typedefs, structures, and compiler characteristics.
228 dnl Check for 16-bit and 32-bit integer types.
234 dnl Check if there's a declaration of lround(). Below we also check for
235 dnl lround() with AC_CHECK_FUNCS, which just checks if it can be linked
236 dnl against. Some platforms are missing a prototype for lround(), so
237 dnl both checks are useful.
238 AC_CHECK_DECLS([lround], [], [], [[#include <math.h>]])
239 AC_CHECK_FUNCS([popen getpwuid lround hypot mmap])
241 dnl Much faster than using getc()/putc(), at least on Linux.
242 AC_CHECK_FUNCS([getc_unlocked putc_unlocked])
244 AC_CHECK_FUNCS([setenv unsetenv])
246 AC_PATH_PROG([JW], [jw], [$MISSING jw])
247 AC_ARG_VAR([JW], [jw from docbook-utils/docbook-tools])
249 dnl extra warning flags for building with GCC
250 if test yes = "$GCC"; then
251 if test yes = "$cross_compiling"; then
252 dnl AM_CFLAGS="$AM_CFLAGS -Werror -Wall -Wunused -Wpointer-arith\
253 dnl -Wwrite-strings -Wcast-align"
254 dnl -Wsign-compare causes a warning with the mingw FD_SET macro, so we have
255 dnl to disable it for mingw builds.
256 AM_CFLAGS="$AM_CFLAGS -Wall -Wunused -Wpointer-arith\
257 -Wwrite-strings -Wcast-align"
258 AM_CXXFLAGS="$AM_CXXFLAGS -Wall -Wunused -Wpointer-arith\
259 -Wwrite-strings -Wcast-align -Wno-sign-compare"
261 AM_CFLAGS="$AM_CFLAGS -Wall -W -Wunused -Wshadow -Wpointer-arith\
262 -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wnested-externs\
264 AM_CXXFLAGS="$AM_CXXFLAGS -Wall -W -Wunused -Wshadow -Wpointer-arith\
265 -Wwrite-strings -Wcast-align"
267 dnl too many complaints from headers, etc: -Wconversion
270 AC_SUBST(AM_CXXFLAGS)
272 dnl See if large file support is available. Survex is unlikely to need to
273 dnl process files > 2GB in size, but LFS is also needed for stat() to work
274 dnl on filing systems which return 64 bit inode values, such as CIFS mounts.
277 AC_ARG_ENABLE(profiling,
278 [ --enable-profiling Build binaries to generate profiling information],
280 yes) AM_CXXFLAGS="$AM_CXXFLAGS -pg"
281 AM_CFLAGS="$AM_CFLAGS -pg"
282 AC_MSG_RESULT(building binaries to generate profiling information);;
284 *) AC_MSG_ERROR(bad value $enableval for --enable-profiling) ;;
287 HTMLFILES="AUTHORS.htm HACKING.htm NEWS.htm OLDNEWS.htm TODO.htm index.htm 3dformat.htm 3dformat-old.htm"
290 EXTRA_TEXT="AUTHORS COPYING NEWS TODO ChangeLog"
295 AC_SUBST_FILE(AVENDESC)
296 AVENDESC=desc-aven.txt
298 dnl Don't define DATADIR if building for MS Windows - it won't be used, and
299 dnl can conflict with the DATADIR typedef in objidl.h
300 if test no = "$mswindows"; then
301 AC_DEFINE_DIR(DATADIR, datadir, [Location of platform independent support files])
305 [/* Use getc_unlocked() and putc_unlocked() where available, since they are
306 * faster, and we don't multithread file accesses.
309 #ifdef HAVE_GETC_UNLOCKED
310 # define GETC(F) getc_unlocked(F)
312 # define GETC(F) getc(F)
314 #ifdef HAVE_PUTC_UNLOCKED
315 # define PUTC(C, F) putc_unlocked(C, F)
317 # define PUTC(C, F) putc(C, F)
321 /* C23 added bool, false and true as keywords - let's emulate that and
322 * avoid every C file which uses these needing to include <stdbool.h>.
324 # include <stdbool.h>
329 Makefile src/Makefile doc/Makefile lib/Makefile lib/icons/Makefile
331 tests/Makefile vim/Makefile survex.iss doc/index.htm doc/survex.7
332 survex.spec lib/Info.plist
335 dnl FIXME update msvc makefile for 1.2 branch
336 dnl src/msvc/config.h